Best Answer: I'd say about 10-15 mins walking at a relatively average pace!! Fastest time to run a mile is around 4 minutes. The average time to walk a mile is 12 minutes, so half a mile would be 6 minutes. i walk a mile every morning in 15-20 minutes, so probably 10 minutes. At a semi rapid rate about 7 1/2 minutes.
Too much dryness in nasal cavity results in burning inside the nose. Allergy to certain foods can also lead to burning and inflammation in nasal mucus membrane. Nose picking and digging can make the nasal lining dry, which in turn can cause burning sensation in the nose. Diseases such as multiple sclerosis, stroke can cause burning sensation in the nose.
The next potential cause is nasal allergies, or allergic rhinitis. This is also quite common, and is typically provoked by a whole assortment if indoor allergens like mites and mold. Often with nasal allergies there is stuffiness or sneezing in addition to the uncomfortable burning sensation. Nasal allergies can be treated with a combination of allergen avoidance and anti allergy medications like anti histamines and nasal steroid sprays.